On 11.01.24 17:47, Andrew Lunn wrote: > This email is not from Hexagon’s Office 365 instance. Please be careful while clicking links, opening attachments, or replying to this email. > > >> These are not raw register values and these are not voltage values but >> voltage ratios. I'm mapping the voltage ratios to enum values [0-16] >> which are converted to register raw values by the driver. I don't see a >> better way to do this. > I assume 802.3 states what the actual voltage should be? So you can > calculate what 50% of that is? > > Andrew The actual voltage depends on the mode (I know that for 100BASE-TX and MLT-3 it's +/-1V) : it makes no sense to try to code the actual voltage, we need to keep voltage ratio here.